如果我们想保护森林,就必须先了解它们。
If we want to protect forests, we must first understand them.
我不需要完美。我只需要足够好。
To understand the mind, study its operations in real life.
变化是不可避免的,但成长是可选的。
The inflationary universe model suggests that the universe expanded exponentially in the first fraction of a second after the Big Bang.